819950010 has 32 divisors (see below), whose sum is σ = 2146779072. Its totient is φ = 198775680.

The previous prime is 819949979. The next prime is 819950011. The reversal of 819950010 is 10059918.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (819950011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242019 + ... + 1242678.

It is an arithmetic number, because the mean of its divisors is an integer number (67086846).

Almost surely, 2^819950010 is an apocalyptic number.

819950010 is an abundant number, since it is smaller than the sum of its proper divisors (1326829062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

819950010 is a wasteful number, since it uses less digits than its factorization.

819950010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484718.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 819950010 is about 28634.7692499870. The cubic root of 819950010 is about 935.9711415421.

The spelling of 819950010 in words is "eight hundred nineteen million, nine hundred fifty thousand, ten".